From e645fc2693acc796304498909786b7b47005b429 Mon Sep 17 00:00:00 2001 From: Martin Lucina Date: Mon, 23 Jan 2012 08:53:35 +0100 Subject: Imported Upstream version 2.1.3 --- src/pair.cpp | 112 +++++++++++++++++++++++++++++++++++++++-------------------- 1 file changed, 75 insertions(+), 37 deletions(-) (limited to 'src/pair.cpp') diff --git a/src/pair.cpp b/src/pair.cpp index 3872b28..1acc60f 100644 --- a/src/pair.cpp +++ b/src/pair.cpp @@ -1,19 +1,20 @@ /* - Copyright (c) 2007-2010 iMatix Corporation + Copyright (c) 2007-2011 iMatix Corporation + Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file This file is part of 0MQ. 0MQ is free software; you can redistribute it and/or modify it under - the terms of the Lesser GNU General Public License as published by + the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. 0MQ is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - Lesser GNU General Public License for more details. + GNU Lesser General Public License for more details. - You should have received a copy of the Lesser GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with this program. If not, see . */ @@ -23,68 +24,96 @@ #include "err.hpp" #include "pipe.hpp" -zmq::pair_t::pair_t (class app_thread_t *parent_) : - socket_base_t (parent_), +zmq::pair_t::pair_t (class ctx_t *parent_, uint32_t tid_) : + socket_base_t (parent_, tid_), inpipe (NULL), outpipe (NULL), - alive (true) + inpipe_alive (false), + outpipe_alive (false), + terminating (false) { + options.type = ZMQ_PAIR; options.requires_in = true; options.requires_out = true; } zmq::pair_t::~pair_t () { - if (inpipe) - inpipe->term (); - if (outpipe) - outpipe->term (); + zmq_assert (!inpipe); + zmq_assert (!outpipe); } -void zmq::pair_t::xattach_pipes (class reader_t *inpipe_, - class writer_t *outpipe_, const blob_t &peer_identity_) +void zmq::pair_t::xattach_pipes (reader_t *inpipe_, writer_t *outpipe_, + const blob_t &peer_identity_) { zmq_assert (!inpipe && !outpipe); + inpipe = inpipe_; + inpipe_alive = true; + inpipe->set_event_sink (this); + outpipe = outpipe_; outpipe_alive = true; + outpipe->set_event_sink (this); + + if (terminating) { + register_term_acks (2); + inpipe_->terminate (); + outpipe_->terminate (); + } } -void zmq::pair_t::xdetach_inpipe (class reader_t *pipe_) +void zmq::pair_t::terminated (reader_t *pipe_) { zmq_assert (pipe_ == inpipe); inpipe = NULL; + inpipe_alive = false; + + if (terminating) + unregister_term_ack (); } -void zmq::pair_t::xdetach_outpipe (class writer_t *pipe_) +void zmq::pair_t::terminated (writer_t *pipe_) { zmq_assert (pipe_ == outpipe); outpipe = NULL; + outpipe_alive = false; + + if (terminating) + unregister_term_ack (); } -void zmq::pair_t::xkill (class reader_t *pipe_) +void zmq::pair_t::delimited (reader_t *pipe_) { - zmq_assert (alive); - alive = false; } -void zmq::pair_t::xrevive (class reader_t *pipe_) +void zmq::pair_t::process_term (int linger_) { - zmq_assert (!alive); - alive = true; + terminating = true; + + if (inpipe) { + register_term_acks (1); + inpipe->terminate (); + } + + if (outpipe) { + register_term_acks (1); + outpipe->terminate (); + } + + socket_base_t::process_term (linger_); } -void zmq::pair_t::xrevive (class writer_t *pipe_) +void zmq::pair_t::activated (class reader_t *pipe_) { - zmq_assert (!outpipe_alive); - outpipe_alive = true; + zmq_assert (!inpipe_alive); + inpipe_alive = true; } -int zmq::pair_t::xsetsockopt (int option_, const void *optval_, - size_t optvallen_) +void zmq::pair_t::activated (class writer_t *pipe_) { - errno = EINVAL; - return -1; + zmq_assert (!outpipe_alive); + outpipe_alive = true; } int zmq::pair_t::xsend (zmq_msg_t *msg_, int flags_) @@ -100,7 +129,8 @@ int zmq::pair_t::xsend (zmq_msg_t *msg_, int flags_) return -1; } - outpipe->flush (); + if (!(flags_ & ZMQ_SNDMORE)) + outpipe->flush (); // Detach the original message from the data buffer. int rc = zmq_msg_init (msg_); @@ -114,9 +144,12 @@ int zmq::pair_t::xrecv (zmq_msg_t *msg_, int flags_) // Deallocate old content of the message. zmq_msg_close (msg_); - if (!alive || !inpipe || !inpipe->read (msg_)) { - // No message is available. Initialise the output parameter - // to be a 0-byte message. + if (!inpipe_alive || !inpipe || !inpipe->read (msg_)) { + + // No message is available. + inpipe_alive = false; + + // Initialise the output parameter to be a 0-byte message. zmq_msg_init (msg_); errno = EAGAIN; return -1; @@ -126,17 +159,22 @@ int zmq::pair_t::xrecv (zmq_msg_t *msg_, int flags_) bool zmq::pair_t::xhas_in () { - if (alive && inpipe && inpipe->check_read ()) - return true; - return false; + if (!inpipe || !inpipe_alive) + return false; + + inpipe_alive = inpipe->check_read (); + return inpipe_alive; } bool zmq::pair_t::xhas_out () { - if (outpipe == NULL || !outpipe_alive) + if (!outpipe || !outpipe_alive) return false; - outpipe_alive = outpipe->check_write (); + zmq_msg_t msg; + zmq_msg_init (&msg); + outpipe_alive = outpipe->check_write (&msg); + zmq_msg_close (&msg); return outpipe_alive; } -- cgit v1.2.3